When people talk about lithium battery PACK production, the conversation usually focuses on large automated lines, robotic assembly systems, and high-speed production equipment. Those machines are definitely important, but inside a real factory, the equipment that affects daily production the most is often the Backup machinery standing beside the main line.
Why Backup Equipment Becomes More Important As Factories Scale Up
In the early stage of a lithium battery factory, production volume is usually not very high. Operators can manually handle many problems, and even if one machine stops working, the impact on overall production may still be limited.But as the factory grows larger, things become very different.Once production capacity increases, the factory starts depending heavily on continuous operation. At this stage, backup equipment becomes much more important because even a small machine failure can affect the entire production schedule. Xiaowei as a professional lithium battery production line equipment and turnkey solution provider, the following to introduce some battery backup equipment.
Xiaowei backup equipment list introduction
Spot Welding Machine
Lithium battery Spot welding is the most core and indispensable equipment in the entire lithium battery PACK assembly workshop. Whether it is a small workshop hand-made battery pack, or a full-automatic assembly line mass production, it has to rely on it to firmly weld the tabs of the battery cells and the nickel and copper sheets used for connection. It can be said that the battery pack is not durable, safe, will not heat, will not be false welding power, more than half depends on the spot welder welding well.
What exactly is it for?
- Solder the tabs of square/soft-packed cells to the bus bars
- Complete battery series-parallel connection to form battery pack
- Ensure stable current conduction, no heating, no falling off
- Avoid common problems such as false welding, leakage welding, explosion welding and electrode burning
| project | message |
| Function | Using millisecond instantaneous welding technology to achieve high-precision traceless welding |
| Application scenarios | All kinds of lithium battery cell tab welding |
| Degree of automation | The necessary procedures for cell assembly into battery modules |
| Adaptive production line | Cylindrical/Prismatic battery PACK Production line |
Aging Cabinet
Aging cabinet Whether it is a small battery pack, a large energy storage battery, or a power lithium battery, as long as the factory is safe, durable, and reliable, it will almost pass its “test.”It is not a simple charge and discharge, but a simulation of the real use environment, repeated cycles for a long time, the unqualified, unstable, hidden dangers of the battery screening out in advance. It can be said that for battery factories without aging cabinets, the products they make are all based on luck, and the after-sales and risks will be frighteningly high.
| project | message |
| Function | Fully automatic charge-discharge cycle test |
| Application scenarios | Battery performance aging test, new product life verification |
| Employing procedure | Aging test and performance test before shipment of finished products |
| Adaptive production line | PACK Production Line General |
Sorting Machine
Battery sorting machine it is the most advanced and especially critical equipment in the whole production line. Many people only value the welding and assembly equipment behind, but it is easy to ignore the importance of the sorting machine. In fact, the battery pack is not easy to use, the life is not long, and the consistency of the whole group is unstable. From the step of cell sorting, it has been decided.
| project | message |
| Function | Automatic detection of battery voltage, internal resistance, capacity core parameters |
| Application scenarios | Cell parameter classification, consistency screening |
| Employing procedure | Cell Preparation Process Before PACK Assembly |
| Adaptive production line | PACK Production Line General |
The working logic of the sorting machine is particularly easy to understand: the equipment automatically completes the cell loading, and detects the core data of voltage, internal resistance, open-circuit voltage and load voltage of each cell one by one through the internal high-precision detection module. The system will compare the preset standard parameters in real time and automatically divide the cells into different grades. The qualified ones are classified into one class, the slight deviations are classified into one class, and the defective ones are directly eliminated separately. The whole process is fully automatic, without manually holding the multimeter to measure one by one, which not only saves a lot of labor, but also avoids errors caused by manual measurement and misreading data.
CCD Polarity Detection
CCD polarity it is a key quality inspection equipment specially responsible for visual error prevention, polarity anti-inversion and appearance defect screening on lithium battery PACK production line.Many PACK factories tend to focus only on welding, assembly, aging and other large equipment, but often ignore this seemingly inconspicuous visual inspection machine. But in fact, it is the most reliable “artificial eye substitute” in the entire production line, focusing on the placement of batteries, the direction of positive and negative electrodes, and appearance flaws, which are the most easily misjudged and error-prone links. Eliminate batch scrapping and safety hazards caused by reverse installation, wrong installation, and mixing from the source.
| project | message |
| Function | Fully automatic detection of positive and negative direction of cells, cell placement position |
| Application scenarios | Polarity verification after cell placement, error-proof detection for module pre-installation |
| Employing procedure | After assembling the cell swing plate |
| Adaptive production line | PACK Production Line General |
Protection Board BMS Tester
Do lithium battery PACK all know, BMS protection board is the brain and safety guardian of the whole battery pack, responsible for controlling all key links such as charging, discharging, overvoltage, undervoltage, overcurrent, temperature protection, etc. Once BMS goes wrong, even the best battery is useless. If it is light, the battery will not work and the battery life will deteriorate. If it is serious, it will overheat directly and short circuit, causing safety accidents. Therefore, BMS must be completely tested with a special tester before it is installed in the battery pack. This BMS tester is the core equipment specially designed for this purpose.
| Project | Message |
| Function | All-round inspection of all core performance of BMS protection board |
| Application scenarios | Suitable for all lithium battery products with protective plate |
| Employing procedure | PACK Finished Product Inspection Before Delivery |
| Adaptive production line | PACK Production Line General |
In addition to the above core equipment, our website also provides a complete selection of backup and auxiliary devices for the lithium battery industry.
- PVC Heat Shrinking Machine
- EOL Tester
- Battery Cell Feeding Rack
- Pack Charge & Discharge Tester
- Battery Capacity Grading Cabinet
These may not be the primary core machines, yet they greatly influence factory automation, labor expenses, production output and product consistency.
Other customer stories
- German customer: PACK line installed, efficiency increased by 35%, labor cost greatly reduced
- American customers: manual to automatic, yield increased by 28%
- Indian customer: small factory to large production line, single production time reduced by 40%
- Brazilian customer: 30% reduction in defect rate with BMS test system
In general, lithium battery PACK factory is not the more expensive the equipment, the better, choose the right to adapt to their own production of single + whole line plus reliable backup equipment, but also save costs and improve efficiency, novice can also quickly do the factory.
Conclusion
As lithium battery plants expand in size, production systems become more complex and more sensitive to disruptions. On a small scale, a single device problem may slow down only a single workstation. But in large-scale automated production, the same problems can affect the output of the entire plant. This is why spare equipment is becoming increasingly important in modern PACK manufacturing.
